Watch List notes:

Valerian II, Caesar, 256-258. Antoninianus (Silver, 22 mm, 3.08 g, 7 h), Cologne, 257-258. VALERIANVS CAES Radiate and draped bust of Valerian II to right, seen from behind. Rev. IOVI CRESCENTI The young Jupiter seated facing, head to left, raising his right hand in salute, on goat to right. Cohen 26. MIR 907e. RIC 3. Minor edge crack, otherwise, good very fine.